Linux Printing Technologies Overview
Delve into the world of Linux printing with insights on open printing plenary sessions, Linux distribution market shares, driverless printing support, CUPS filters development, and future trends. Explore the growing popularity of Linux in various sectors and witness the advancements in driverless printing technology, especially in Ubuntu. Discover the achievements and goals of OpenPrinting initiatives to enhance the printing experience on Linux systems.
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Open Printing Plenary - 2019 Joint PWG/Open Printing Summit - Lexington, KY 16 April 2019 Ira McDonald (High North) OP Chair Till Kamppeter (Canonical) OP Manager
Agenda Linux Markets and Distributions (Distros) OpenPrinting 2018 Google Summer of Code 2018 OpenPrinting 2019 Google Summer of Code 2019 OpenPrinting New Look Next Steps
Linux Markets and Distributions (Distros) Linux Internet public server market share in April 2019 32% Linux / 30% Windows / 38% other/unknown https://w3techs.com/technologies/overview/operating_system/all Linux Web Server market share in April 2019 45% Linux / 21% Windows / 34% other/unknown https://secure1.securityspace.com/s_survey/data/201804/index.html Linux mobile OS market share in April 2019 75% Android / 22% iOS / 1% other/unknown http://gs.statcounter.com/os-market-share/mobile/worldwide Linux distributions popularity on Distro Watch in 2019 Manjaro, Mint, Ubuntu, Debian, Fedora, openSUSE, CentOS https://distrowatch.com/dwres.php?resource=popularity
OpenPrinting 2018 1 of 3 OP Driverless Printing support in Linux Developers Till Kamppeter and Linux community Ubuntu 18.04 LTS (April 2018) Driverless Printing enhanced Automatic setup / Connect a printer as easily as a USB stick https://wiki.ubuntu.com/BionicBeaver/ReleaseNotes IPP Everywhere open standard from PWG mainstream in CUPS IPP Everywhere certified Printers now entering the market CUPS 2.2.7 (March 27, 2018) Raw print queues deprecated conflicts w/ sandboxed apps CUPS 2.3b4 (March 27, 2018) Printer drivers deprecated instead use Printer Application
OpenPrinting 2018 2 of 3 OP CUPS Filters accomplishments this year Developers Till Kamppeter and Linux community http://www.openprinting.org/download/cups-filters/ cups-browsed Support for CUPS' own temporary queues for remote IPP/CUPS printers Highly configurable print queue clustering Support for all standards (IPP Everywhere, AirPrint, Wi-Fi Direct, Mopria) filters PCLm support pdftoopvp and pdftoijs deprecated Flattening of interactive PDF forms ippusbxd Better compatibility, reliability, prepared for IPPS, improved DNS-SD
OpenPrinting 2018 3 of 3 OP CUPS Filters the future cups-browsed restartable in-process, e.g., to re-read its config cups-browsed restarts on "kill -HUP" (like most other daemons) cups-browsed treats IPP network printers and remote CUPS printers as equal, allowing clustering of any printers cups-browsed auto-selects printers based on Job option settings QPDF-based solutions for bannertopdf and form-flattening OP IPP System Service support the future Full driverless support for MFDs, including driverless IPP Scan Full system admin support for MFDs and Printers
Google Summer of Code 2018 GSoC 2018 Recruitment Student selection process started in Jan 2018 long before GSoC premier university Computer Science departments approached Screened over 100 students from different universities GSoC 2018 5 Projects / 6 Students / 9 Mentors PDF updates for cups-filters use standard Poppler APIs or QPDF Enhancements for ipptool scripts for new operations/attributes New tool ippdoclint check PWG Raster structure & report errors Backends for Common Print Dialog (CPD) D-Bus interface Content-oriented printer auto-selection based on Job options Bonuses in 2018 2 Projects outside GSoC 2018 Enhancements for ippserver add support for all IPP data types Completion of Qt Print Dialog update for CPD support
OpenPrinting 2019 1 of 3 OP Driverless Printing support in Linux Developers Till Kamppeter and Linux community Ubuntu 19.04 (18 April 2019) Driverless Printing enhanced Automatic setup / Connect a printer as easily as a USB stick https://wiki.ubuntu.com/Releases Disco Dingo IPP Everywhere open standard from PWG mainstream in CUPS 365 IPP Everywhere Printers now certified CUPS 2.2.10 (7 December 2018) lpoptions for IPP Everywhere, USB & PPD fixes, Page accounting (2.3) CUPS 2.3b7 (14 December 2018) Bug fixes and build failure fixes
OpenPrinting 2019 2 of 3 OP CUPS Filters accomplishments this year Developers Till Kamppeter and Linux community http://www.openprinting.org/download/cups-filters/ cups-browsed No new features added after last year s OpenPrinting Summit 2018 Focus on reliability this year Bug fixes in Cluster Printing, IPPS upgrade, HTTP timeouts, etc. filters pdftoopvp and pdftoijs deprecated QPDF-based solutions pdftopdf, bannertopdf New options for scaling/fitting images/page content ippusbxd No code changes, no new features, no functional changes Need Avahi patch (not just Ubuntu) now in progress
OpenPrinting 2019 3 of 3 OP CUPS Filters the future Make cups-browsed re-startable in-process Make cups-browsed not use CUPS PPD APIs any more Make cups-browsed treat IPP network printers and remote CUPS printers equal Make cups-browsed auto-select printers in a cluster of very different printers depending on Job and option settings Make cups-filters not use CUPS PPD APIs any more OP IPP System Service support the future Full system admin support for MFDs and Printers (GSoC 2019) Full driverless support for MFDs, including driverless IPP Scan
Google Summer of Code 2019 GSoC 2019 Recruitment Student selection process started in Jan 2018 long before GSoC premier university Computer Science departments approached Screened over 100 students from different universities GSoC 2019 5 Projects Generic Framework to turn legacy drivers consisting of CUPS filters and PPDs into Printer Applications IPP: ipptool test suite for IPP System Service IPP: ipptool test suite updates for IPP errata updates Update pdftoraster to only use standard Poppler APIs Turn the scp-dbus-service of system-config-printer into C (from current Python implementation) GSoD 2019 OP Participation in Google Summer of Docs Bring open source and technical writer communities together
OpenPrinting New Look OpenPrinting New Logo OpenPrinting New Website Migration Tasks Migration work for foomatic and other areas are going on in parallel Development Repository https://openprinting.github.io/#
Next Steps Call for Participation OP is cost-effective for printer vendor support of Linux and UNIX PWG and OP Collaboration IPP Everywhere/1.0 complete in GSoC 2018 Common Print Dialog complete in GSoC 2018 IPP System Service (System Admin) coming in GSoC 2019 IPP Shared Infrastructure Extensions (Cloud) future IPP FaxOut, IPP Scan (MFD) future IPP Job Extensions/2.0, IPP Document Object/1.1 future IPP 3D Printing and IPP 3D PJT future OP monthly teleconferences on Tuesdays Tuesday 7 May 2019 1-2pm US EDT (F2F review/GSoC) Tuesday 4 June 2019 1-2pm US EDT (GSoC status) Tuesday 2 July 2019 1-2pm US EDT (GSoC status)
